WO2019123647A1 - Dispositif d'affichage et procédé de production de dispositif d'affichage - Google Patents

Dispositif d'affichage et procédé de production de dispositif d'affichage Download PDF

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Publication number
WO2019123647A1
WO2019123647A1 PCT/JP2017/046189 JP2017046189W WO2019123647A1 WO 2019123647 A1 WO2019123647 A1 WO 2019123647A1 JP 2017046189 W JP2017046189 W JP 2017046189W WO 2019123647 A1 WO2019123647 A1 WO 2019123647A1
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WO
WIPO (PCT)
Prior art keywords
display panel
terminal group
support member
display device
contacts
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2017/046189
Other languages
English (en)
Japanese (ja)
Inventor
克彦 岸本
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sakai Display Products Corp
Original Assignee
Sakai Display Products Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sakai Display Products Corp filed Critical Sakai Display Products Corp
Priority to CN201780097644.9A priority Critical patent/CN111465974B/zh
Priority to JP2018527987A priority patent/JP6387214B1/ja
Priority to US16/079,725 priority patent/US10698274B2/en
Priority to PCT/JP2017/046189 priority patent/WO2019123647A1/fr
Publication of WO2019123647A1 publication Critical patent/WO2019123647A1/fr
Priority to US16/881,630 priority patent/US10976617B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F21/00—Mobile visual advertising
    • G09F21/04—Mobile visual advertising by land vehicles
    • G09F21/049—Mobile visual advertising by land vehicles giving information to passengers inside the vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
    • B60R11/0229—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof for displays, e.g. cathodic tubes
    • B60R11/0235—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof for displays, e.g. cathodic tubes of flat type, e.g. LCD
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133512—Light shielding layers, e.g. black matrix
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1345—Conductors connecting electrodes to cell terminals
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1345—Conductors connecting electrodes to cell terminals
    • G02F1/13452—Conductors connecting driver circuitry and terminals of panels
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1345—Conductors connecting electrodes to cell terminals
    • G02F1/13458—Terminal pads
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R2011/0001—Arrangements for holding or mounting articles, not otherwise provided for characterised by position
    • B60R2011/0003—Arrangements for holding or mounting articles, not otherwise provided for characterised by position inside the vehicle
    • B60R2011/0026—Windows, e.g. windscreen
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133325—Assembling processes
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1345—Conductors connecting electrodes to cell terminals
    • G02F1/13456—Cell terminals located on one side of the display only

Definitions

  • the present invention relates to a display device and a method of manufacturing the display device.
  • Patent Document 1 discloses digital signage having an image display panel attached to a glass plate.
  • the display surface of the image display panel is attached to the window glass via a layer containing a photocurable resin.
  • Patent Document 1 it is extremely difficult to remove the display panel bonded to the support using an adhesive composed of a photocurable resin, a thermosetting resin or the like from the support. Therefore, for example, when either one of the display panel and the support is defective, it is considered difficult to continuously use the other to maintain the function normally or to reuse in another device. Be Moreover, in the affixing method disclosed in Patent Document 1, it is difficult to accurately affix the display panel to a predetermined position of the glass plate. Furthermore, it is necessary to separately prepare transmission means such as an image signal to the display panel.
  • the present invention allows a display panel or its support to be easily reused in the display device or another display device, and further, a display device comprising signal transmission means for the display panel without impairing the appearance of the display device. Intended to provide.
  • the present invention facilitates the reuse of the component as such, and the display device having the display panel in the proper position, and the signal transmission means to the display panel without impairing the appearance of the display device. It aims at providing a manufacturing method of a display which can be manufactured.
  • a display device includes a plurality of driving elements for driving pixels, and further includes a first terminal group electrically connected to the plurality of driving elements in at least a part of an edge. And a support member having a surface on which the display panel is to be mounted, and provided with a plurality of wires and a second terminal group connected to the plurality of wires on the surface, and a rod-like member having a linear or bent shape And a holding member provided along the edge of the display panel using the plurality of contacts, the holding member including a plurality of contacts respectively disposed to face the respective terminals constituting the first terminal group.
  • a connector is adhered to the surface to hold the display panel at a predetermined position on the surface of the support member, and each of the plurality of contacts is disposed on each of the terminals constituting the second terminal group. Connected At least a part of the edge portion of the display panel is connected to the connector, and each of the terminals constituting the first terminal group is connected to the plurality of the support members via each of the plurality of contacts. Electrically connected to each of
  • a method of manufacturing a display device forms a display panel including a pixel, a plurality of driving elements for driving the pixels, and a first terminal group electrically connected to the plurality of driving elements.
  • a connector is formed on a part of the bar by arranging a plurality of contacts in an arrangement corresponding to the arrangement of the terminals constituting the first terminal group, and the bar is used as the surface of the support member
  • a holding member for holding the display panel on the surface is provided, and each terminal constituting the second terminal group is connected to each of the plurality of contacts, and the edge portion of the display panel Less Connecting each of the terminals constituting the first terminal group to each of the plurality of contacts by mounting a part thereof to the connector, and mounting the display panel on
  • the display panel or supporting member can be easily reused in the display device or another display device, and the means for transmitting the signal to the display panel does not impair the appearance of the display device.
  • a display that facilitates reuse of components is provided with a display panel at an appropriate position, and further includes means for transmitting a signal to the display panel without impairing the appearance of the display device. The device can be easily manufactured.
  • FIG. 6 is a front view showing an example of a holding member in the display device of Embodiment 1 alone. It is a rear view of the holding member of FIG. 5A.
  • FIG. 6 is an enlarged view of a part of a cross section taken along line VI-VI of FIG. 1; 7 is a cross-sectional view showing another example of the holding member in the display device of Embodiment 1.
  • FIG. 7 is a view showing an example of a wiring formed on a base different from the support member in the display device of Embodiment 1; It is the bottom view seen from the downward direction in FIG. 1 which shows the other example of the display apparatus of Embodiment 1.
  • FIG. 2 is an enlarged cross-sectional view schematically showing an example of the structure of a display panel used in the display device of Embodiment 1. It is a figure which shows an example of the manufacturing method of the display apparatus of Embodiment 2 of this invention.
  • FIG. 14 is a view showing an example of a connecting step of the contact of the holding member and the second terminal group in the method of manufacturing the display device of Embodiment 2.
  • the present inventor enables, in a display device having a display panel fixed to the surface of a support, reuse of a display panel or support without defects when a defect occurs in some of the components, etc.
  • the display panel can be properly fixed to the surface of the support by using a structure in which the display panel is fixed to the support via a member capable of holding the display panel in a predetermined position of the support. And, it has been found that the display panel can be easily removed from the support if necessary. That is, the display panel is engaged with the holding member formed to hold the display panel on the support without being adhered to the support using an adhesive or the like, and the holding member is adhered to the support Ru.
  • the display panel Since the relative movement of the display panel to the support is limited by the holding member, the display panel is fixed at a predetermined position on the surface of the support. And when removing a display panel from a support body, a display panel can be easily removed from a support body by isolate
  • the inventors have found that the appearance of the display can be improved by providing on the support a wire for transmitting a drive signal or the like applied to the display panel held on the support. That is, conventionally, an FPC (Flexible Printed Circuit) or the like is mainly used as such a wiring, but the present inventor says that the wiring such as the FPC prevents the appearance of the display device from being damaged. We found the problem and its solution. In the conventional display device, an FPC or the like constituting the wiring is connected at its end portion to a display panel or a driver or the like that generates a drive signal.
  • FPC Flexible Printed Circuit
  • the FPC or the like is used in a state in which the intermediate portion is floated in the air without being fixed, and in a state in which it is mainly deflected toward a viewer of the display device so that tension is not applied.
  • a smartphone, or the like such a wiring of an FPC or the like is covered with a housing or the like, and therefore, the eyes of a person who looks at a display device are not touched.
  • the FPC provided with a large number of wires floating in the air around the display panel or a large number of parallel wires is a display device It is likely to be visible to the viewer and therefore may impair the aesthetics of the display.
  • the wiring that shakes when vibration is applied is disturbing.
  • the display device is disposed in a relatively narrow space such as a vehicle interior and the display screen is closely watched from the vicinity thereof, such a wiring capable of vibrating may possibly deteriorate the appearance quality of the display device.
  • the inventor of the present invention provides the wiring on the support, provides the connector which can be connected with the display panel to the above-mentioned holding member, and engages the display panel with the holding member to support the display panel It was found that connection with wiring on the body was made via a connector. By doing so, the display panel can be easily replaced including the electrical connection with the driver and the separation thereof, and the wiring which can not be oscillated can be seen from the eye of the viewer of the display device rather than the display screen. It can be neatly prepared at a deep position. As a result, it is possible to give a clear impression to the user, and in the past, it is possible to improve the aesthetics of the display device that may be degraded by the wiring around the display panel.
  • FIG. 1 shows a front view of the display device 1 of Embodiment 1
  • FIG. 2 shows a bottom view of the periphery of the display panel 3 seen from the lower side in FIG. 3 is a cross-sectional view taken along line III-III in FIG. 1
  • FIG. 4 is an enlarged view of a portion IV in FIG.
  • the display device 1 includes a plurality of driving elements 39 for driving the pixels 3 a, and further includes a first terminal group 31 electrically connected to the plurality of driving elements 39 at at least a part of the edge; A support member 5 having a surface 5a on which the display panel 3 is to be mounted and having a second terminal group 52 connected to the plurality of wires 51 and the plurality of wires 51 on the surface 5a; And a holding member 4 provided along the edge of the display panel 3 in use.
  • the holding member 4 is a frame formed using a rod-like member having a U-shaped bent shape and having a discontinuous portion on one side.
  • the display panel 3 is engaged with the holding member 4 at a part of its edge.
  • the holding member 4 is adhered to the surface 5 a to hold the display panel 3 at a predetermined position on the surface 5 a of the support member 5.
  • the holding member 4 includes the connector 2 provided with a plurality of contacts 21 arranged to face the respective terminals constituting the first terminal group 31, and the plurality of contacts 21 Are connected to the respective terminals constituting the second terminal group 52. Then, at least a part of the edge of the display panel 3 (the upper edge in the example of FIG. 1) is connected to the connector 2, and each of the terminals constituting the first terminal group 31 includes a plurality of contacts 21. It is electrically connected to each of the plurality of wirings 51 of the support member 5 via each of them.
  • symbol 7 in FIG.1, FIG3 and FIG.4 has shown the covering member 7 mentioned later.
  • the display panel 3 is engaged with the holding member 4 at the edge thereof, and is held by the holding member 4 at a predetermined position on the surface 5 a of the support member 5.
  • the display panel 3 itself is not bonded to the support member 5. Therefore, the display panel 3 can be easily removed from the support member 5 only by removing the display panel 3 from the connector 2 and separating the display panel 3 and the holding member 4 which are only engaged with each other. Therefore, when a defect occurs in the support member 5, the display panel 3 can be easily reused by removing the display panel 3 and combining it with another support member. Further, when the display panel 3 is broken, the support member 5 can be reused by removing the display panel 3 and mounting another display panel.
  • the first terminal group 31 connected to the drive element 39 of the display panel 3 is connected to the wiring 51 through the contact 21 of the connector 2 and the second terminal group 52. Therefore, by connecting a conductive wire (not shown) connected to a driver (not shown) or the like to the wiring 51, a drive signal or the like can be applied to the drive element 39. That is, it is not necessary to arrange the conventional wiring composed of the FPC or the like while floating in the air.
  • the connection between the conductive line connected to a driver or the like (not shown) and the wiring 51 can be made at any position in the wiring 51, and a position away from the display panel 3 (for example, the distal to the display panel 3 in the wiring 51) It is also possible to do at the end). Therefore, it is possible to prevent the appearance of the display device 1 from being damaged by the wiring such as the FPC extending from the display panel 3 toward the driver or the like.
  • the holding member 4 includes the connector 2
  • the drive element 39 and the contact 21 are electrically connected via the first terminal group 31 together with the engagement between the display panel 3 and the holding member 4.
  • the drive element 39 and the engagement between the display panel 3 and the holding member 4 are Wiring 51 can be electrically connected.
  • the drive element 39 and the driver can be electrically connected together with the engagement between the display panel 3 and the holding member 4. Even when the display panel 3 is removed from the support member 5, the separation of the holding member 4 and the display panel 3 and the release of the electrical connection between the drive element 39 and the driver can be simultaneously performed.
  • connection through the connector 2 is different from the case of using the solder etc. and in principle there is no strength deterioration at the connection portion due to the enlargement of the intermetallic compound due to the temperature change. Connection reliability is considered to be improved.
  • the display panel 3 has a rectangular front shape in the example of FIGS. 1 to 4, and has a pixel formation region 3c on a second surface 3s opposite to the surface (first surface 3f) directed to the support member 5 There is.
  • a pixel formation region 3 c a plurality of pixels 3 a are formed in a matrix arrangement, and the pixels 3 a include drive elements 39 connected to the first terminal group 31.
  • the plurality of pixels 3 a are only schematically illustrated, and depending on the screen size and resolution of the display panel 3, much more pixels 3 a may be formed than in FIG. 1.
  • each pixel 3 a can have a plurality of driving elements 39.
  • the display panel 3 an organic EL display panel or a liquid crystal display panel is exemplified.
  • the pixel formation region 3 c protrudes from the surface of the display panel 3 (for example, the second surface 3 s in FIG. 2), taking the case where the display panel 3 is an organic EL display panel as an example. Is shown.
  • the pixel formation region 3 c may not protrude more than a portion around the surface of the display panel 3.
  • the display panel 3 has a margin portion which is not occupied by the pixel formation region 3c in the second surface 3s.
  • the display panel 3 has a margin portion having a longitudinal direction along one side (upper side in FIG. 1) of the rectangular front shape, and the longitudinal direction of the margin portion
  • a plurality of terminals which constitute the first terminal group 31 are arranged along the line.
  • Each terminal constituting the first terminal group 31 has a width of about 50 ⁇ m to 300 ⁇ m in the arrangement direction, and may be arranged at a pitch of about 100 ⁇ m to 600 ⁇ m.
  • Each terminal which constitutes the 1st terminal group 31 may have thickness of 5 micrometers or more and 30 micrometers or less, for example.
  • each of the terminals constituting the first terminal group 31 uses a light shielding metal such as copper or nickel, or a translucent conductive material such as indium tin oxide (ITO) or indium oxide-zinc oxide (IZO) It is preferable to form a coating layer of a gold plating film on a conductor pattern formed of these materials. This is because there is no formation of a natural oxide film, and good electrical connection is maintained even if desorption to the connector 2 is performed.
  • a light shielding metal such as copper or nickel
  • a translucent conductive material such as indium tin oxide (ITO) or indium oxide-zinc oxide (IZO) It is preferable to form a coating layer of a gold plating film on a conductor pattern formed of these materials. This is because there is no formation of a natural oxide film, and good electrical connection is maintained even if desorption to the connector 2 is performed.
  • each component has a thickness of the display panel 3 for easy viewing of the first and second terminal groups 31 and 52 and the like. It is drawn emphasizing appropriately in the vertical direction. Therefore, a space is generated between the display panel 3 and the support member 5.
  • the actual thickness of each terminal group of the second terminal group 52 is about several ⁇ m as described later, and the thickness of the intervening portion of the connector 2 between the display panel 3 and the support member 5 is also several Since it is about mm, the display panel 3 may be in contact with the support member 5 in most of the first surface 3 f.
  • the space between the display panel 3 and the support member 5 may be filled with an arbitrary layered material.
  • a weak adhesive layer (not shown) formed using an adhesive material may be provided between the display panel 3 and the support member 5.
  • a weak adhesive layer formed using an adhesive material may be provided between the display panel 3 and the support member 5.
  • the display panel 3 and the support member 5 can be closely adhered without a gap, and when the display panel 3 is removed from the support member 5, the weak adhesive layer is simply adhered Since it is only, the display panel 3 can be easily peeled off from the surface 5a.
  • Such a weak adhesive layer is made of, for example, an adhesive containing, as a main component, an acrylic resin, a silicone resin or a urethane resin singly or in combination.
  • the shape and material of the support member 5 are not particularly limited as long as the support member 5 can properly support the display panel 3.
  • the support member 5 is preferably formed using a material that can form the surface 5 a that can form the interconnection 51 directly with sufficient adhesion strength.
  • the wiring 51 may be formed on a separate base 50 (see FIG. 9) and then bonded to the surface 5a. Therefore, the support member 5 does not necessarily have to be able to form the wiring 51 directly on the surface 5a.
  • the support member 5 may be formed using any material such as glass, metal, and synthetic resin.
  • the support member 5 may be a glass plate used for a housing of various devices, a window of a house, a show window, a display case, or the like.
  • the support member 5 may also be constituted by a window glass of a vehicle, for example a vehicle such as a car or a train, in which case the surface 5a is a surface directed to the passenger compartment, for example, in the windshield of a car.
  • the surface 5 may be a flat surface, or may be a curved surface that curves with an arbitrary curvature.
  • the wiring 51 is preferably provided in an area within the upper 20% of the projected image of the windshield on a plane perpendicular to the longitudinal direction of the car. Further, when the wiring 51 is formed of a light shielding metal material such as copper described later, it is preferable that there is no light shielding member between each of the plurality of wirings 51, that is, each of the plurality of wirings 51. It is preferable that the windshield is exposed in the meantime. By doing so, the forward visibility at the time of driving can be sufficiently secured, which can contribute to safe operation. "The windshield is exposed” means that the windshield can be viewed by a person in the vehicle cabin, and as a result, the person in the vehicle cabin can see the front through the windshield.
  • Examples of the material of the wiring 51 and the second terminal group 52 include a conductive paste containing silver or the like, copper, titanium, aluminum, ITO, IZO, and the like. Similar to the first terminal group 31 described above, the second terminal group 52 preferably further has a coating layer of a gold plating film on a conductor pattern formed of these materials. This is because good electrical connection with the contacts 21 is maintained.
  • the supporting member 5 is formed of a light transmitting material such as glass, it is preferable that at least the wiring 51 be formed of a material capable of transmitting light such as ITO and IZO so as not to prevent light transmission.
  • the wiring 51 and the second terminal group 52 are formed to have a thickness of, for example, about 1 ⁇ m to 300 ⁇ m, but the thickness of the wiring 51 and the second terminal group 52 is not limited to the thickness in this range.
  • the second terminal group 52 is preferably formed at a position facing the first terminal group 31 when the display panel 3 is disposed at a predetermined position on the surface 5a. By doing so, the structure of the connector 2 and the shape of the contact 21 can be simplified. In the example shown in FIG. 1, the plurality of terminals constituting the second terminal group 52 are arranged in a line at the same pitch as the arrangement pitch of the terminals constituting the first terminal group 31.
  • the plurality of wires 51 are parallel to each other, and extend from the second terminal group 52 toward the edge of the support member 5.
  • the wiring 51 extends from the second terminal group 52 toward the outside of the display panel 3 in the direction orthogonal to the arrangement direction of the second terminal group 52 and passes through a substantially perpendicular bending portion to support It extends toward the edge of the member 5 in the direction orthogonal to the arrangement direction of the second terminal group 52.
  • the wire 51 may preferably have a connection with a conductive wire connected to a driver not shown at the distal end with respect to the second terminal group 52.
  • the wiring 51 extends from the second terminal group 52 toward the edge of the support member 5, in particular. It is preferable to extend toward the edge of the support member 5 away from the display panel 3.
  • the wiring 51 may preferably extend toward the edge of the support member 5 near the display panel 3. In that case, it is preferable that the display panel 3 be placed on the edge of the support member 5, and in the case where the support member 5 has a rectangular shape on the surface 5 a, the display panel 3 is the surface 5 a of the support member 5.
  • each of the plurality of wires 51 is not limited to the example of FIG. Also, the wiring 51 may be covered with a protective film formed of polyester or polyethylene terephthalate (PET) or the like.
  • the adhesive 81 is not particularly limited as long as the adhesive 81 can exhibit adhesive strength capable of stably bonding the holding member 4 to the support member 5. Any epoxy-based or acrylic-based adhesive, or an optical transparent adhesive (OCA) or an optical transparent resin (OCR), etc., any of film-like or paste-like acrylic, silicone-based or urethane-based. Adhesives may be used.
  • the holding member 4 engages with the edge of the display panel 3 and is bonded to the surface 5 a of the support member 5 using an adhesive 81.
  • the holding member 4 is provided on part or all of the edge of the display panel 3.
  • the holding member 4 is provided along the three sides of the display panel 3 having a rectangular front shape, and has a U-shaped front shape.
  • the holding member 4 is provided with a recess 4 d on the surface (inner wall surface) facing the display panel 3 on each side of the U-shaped shape.
  • the edge of the display panel 3 is inserted into the recess 4 d, and the edge of the display panel 3 and the holding member 4 are engaged in the recess 4 d.
  • the display panel 3 has both positive and negative directions in the X direction (longitudinal direction of the display panel 3) and the + Y direction in the Y direction (short side direction of the display panel 3) in FIG.
  • the movement in the (+ Z direction) is restricted by the holding member 4. Accordingly, the display panel 3 is held by the holding member 4 at a predetermined position on the surface 5 a of the support member 5.
  • the movement of the display panel 3 in the -Y direction can be limited by orienting the + Y direction in the direction of gravity at the time of use, or the holding force of the connector 2 with respect to the display panel 3 It can be limited by adhesion or the like.
  • the holding member 4 is a frame having a rectangular shape as a whole in the example of FIG. 1, and includes the connector 2 on any one side (upper side in the example of FIG. 1) of the entire rectangular shape. Further, as described above, the holding member 4 has a discontinuous portion in part.
  • the relative positional relationship between the connector 2 and the discontinuous portion in the holding member 4 is arbitrary, but as in the example of FIG. 1, the discontinuous portion is the portion of the holding member 4 that should be the opposite side of one side including the connector 2 Is preferred.
  • the holding member 4 may be provided only on the edge of the two sides or one side of the display panel 3 having a rectangular shape, and thus may be formed of a linear rod-like material .
  • the holding member 4 may be any member that restricts the movement of the display panel 3 on the surface 5 a of the support member 5 in at least one direction.
  • the holding member 4 may not necessarily have the above-described recess 4 d in the inner wall surface thereof, in particular, the inner wall surface of the portion (non-connector portion 41) in which the contact 21 is not disposed.
  • the holding member 4 may have a step on the inner wall surface so as to abut on the end face of the display panel 3 and the second surface 3s.
  • the inner wall surface of the non-connector portion 41 may be a flat surface without unevenness, in which case the display panel 3 moves in a direction away from the support member 5 by the frictional force with the inner wall surface. It may be restricted.
  • the holding member 4 is formed of any material capable of holding the display panel 3.
  • synthetic resin such as epoxy resin and general purpose plastic, natural resin such as natural rubber, and rubber sponge are exemplified as the material of the holding member 4.
  • the holding member 4 is formed of a material having flexibility and / or appropriate elasticity in terms of ease of engagement with the display panel 3 or ease of mounting on the support member 5. Is preferred.
  • the holding member 4 is preferably formed using a translucent material, such as transparent silicone rubber, in that it is difficult for a person who looks at the display device 1 to see it.
  • a synthetic resin having appropriate rigidity and insulation is preferable in that each of the plurality of contacts 21 can be reliably held at a predetermined position.
  • a material having heat resistance of at least 150 ° C. or more is preferable.
  • the synthetic resin such as polyamide, polyphenylene sulfide, and liquid crystal polymer is exemplified as a suitable material for a portion of the holding member 4 that constitutes the connector 2 (housing portion described later).
  • FIGS. 1, 4, 5 ⁇ / b> A and 5 ⁇ / b> B the holding member 4, in particular, the connector 2 included in the holding member 4 will be further described.
  • 5A is a front view showing the holding member 4 shown in FIG. 1 alone
  • FIG. 5B is a rear view of the holding member 4 shown in FIG. 5A.
  • the holding member 4 includes a connector 2 including a plurality of contacts 21 arranged in a line, and a non-connector portion 41 in which the contacts 21 are not disposed. Although the boundary between the connector 2 and the non-connector portion 41 does not necessarily clearly exist, a portion of the holding member 4 that contributes to the holding of the contact 21 and the holding of the connection state with the display panel 3 Is the connector 2.
  • the area occupied by the connector 2 varies depending on the fit with the display panel 3.
  • the entire upper side of the U shape may be the connector 2, In some cases, only the part of the upper side where the plurality of contacts 21 are arranged in series is the connector 2.
  • the holding member 4 has a bottom surface 4 f directed to the surface 5 a of the support member 5, a side surface 4 g directed to the display panel 3, and a groove 23 formed in the side surface 4 g to constitute the connector 2.
  • the groove 23 may be formed continuously with the recess 4 d of the holding member 4 described above.
  • the plurality of contacts 21 are exposed to the inside of the groove 23 and the bottom surface 4 f of the holding member 4, and each of the terminals constituting the second terminal group 52 is formed on the bottom surface 4 f of the holding member 4 with each of the plurality of contacts 21. It is connected. Then, at least a part of the edge of the display panel 3 (the upper edge in FIG. 1) is inserted into the groove 23.
  • each terminal constituting the first terminal group 31 is connected to each of the plurality of contacts 21 inside the groove 23 and electrically connected to the second terminal group 52 via the contacts 21. ing.
  • the connector 2 includes a housing portion 22 which holds the plurality of contacts 21 at a predetermined pitch and in a state of being insulated from each other and which forms a groove 23.
  • each of the plurality of contacts 21 is formed using a strip-like plate-like member, and is press-fitted into an insertion hole formed in the housing portion 22 to communicate with the groove 23 It is done.
  • the contact 21 extends from the inside of the groove 23 through the insertion hole to the outside of the holding member 4 and further along the outer wall surface of the holding member 4 to the bottom 4 f.
  • Each of the plurality of contacts 21 is disposed along one of the inner walls of the groove 23 inside the groove 23 and is curved toward the opposing inner wall of the groove 23.
  • the contact 21 since the display panel 3 is connected to the connector 2, the contact 21 is only slightly bent, but when the display panel 3 is not connected to the connector 2, the groove in the contact 21 is The portion exposed at 23 is more curved than the state shown in FIG. That is, the contact 21 which is formed using a plate-like material and is curved has a plate-like spring shape and can have a function as a plate spring.
  • each terminal of the first terminal group 31 and the contactor 21 contact with a sufficient contact pressure.
  • the contact state is reliably maintained even in an environment where vibration may be applied, such as a vehicle interior, and a momentary interruption of energization can be prevented.
  • the necessary contact pressure can be maintained over time.
  • the curved shape of the contact 21 also prevents the contact 21 from coming off the housing part 22.
  • the plurality of contacts 21 are arranged at substantially the same pitch as the arrangement pitch of the terminals constituting the first terminal group 31 of the display panel 3 inside the groove 23. Further, the plurality of contacts 21 are arranged on the bottom surface 4 f of the holding member 4 at substantially the same pitch as the arrangement pitch of the second terminal group 52 of the support member 5.
  • the arrangement pitch of the plurality of contacts 23 may be different in the inside of the groove 23 and the bottom surface 4 f, but preferably, the plurality of contacts 21 are arranged at substantially the same pitch in the inside of the groove 23 and the bottom surface 4 f.
  • the contacts 21 can be formed using any material having the required conductivity.
  • a material having appropriate springiness is preferable as the material of the contact 21 in terms of providing the above-described plate spring-like action.
  • a material of the contact 21 copper, a copper alloy, nickel or the like is exemplified from the aspect of conductivity, and stainless steel or the like is illustrated from the aspect of a function as a plate spring.
  • the surface of the contact 21 is gold-plated from the viewpoint of rust resistance and corrosion resistance.
  • Each of the plurality of contacts 21 of the connector 2 and the second terminal group 52 can be connected using any conductive material.
  • an epoxy-based conductive adhesive or solder may be used.
  • the plurality of contacts 21 and the terminals constituting the second terminal group 52 are provided at a pitch of several tens of ⁇ m. Therefore, as shown in FIG. 6, an anisotropic conductive film (ACF) is preferably used as the connecting means 82 for connecting the plurality of contacts 21 and the second terminal group 52.
  • FIG. 6 is an enlarged view of a connecting portion between the contact 21 and the second terminal group 52 which is a part of the cross section taken along the line VI-VI in FIG.
  • the covering member 7 shown by FIG. 1 is abbreviate
  • the ACF includes, for example, a thermosetting resin portion 82a made of, for example, an epoxy resin or a transparent acrylic resin or silicone resin, and conductive particles 82b mixed in the thermosetting resin portion 82a.
  • the thermosetting resin portion 82a By being heated and pressurized, the thermosetting resin portion 82a is temporarily hardened after being softened, and constitutes the connection means 82 together with the conductive particles 82b.
  • the conductive particles 82b include a metal layer forming a central portion of the conductive particles 82b with nickel, gold or the like, and an insulating layer covering the metal layer.
  • the insulating layer is broken in the conductive particles 82b, and metal layers or metal layers are combined with each other.
  • the contactor 21 or each terminal of the second terminal group 52 is in contact, and a conductive path in the Z direction in FIG. 6 is formed between the contactor 21 and the second terminal group 52.
  • the insulation layer is maintained. Therefore, the insulation of each terminal of the plurality of contacts 21 and the second terminal group 52 in the X direction in FIG. 6 is maintained. As a result, each of the plurality of contacts 21 arranged at a narrow pitch and each terminal of the second terminal group 52 are appropriately electrically connected.
  • the plurality of contacts 21 of the connector 2 and the connection portion between the contacts 21 and the terminals of the second terminal group 52 are exposed to the outside of the holding member 4.
  • the connection is covered by the covering member 7.
  • the covering member 7 is, for example, a solidified material such as an epoxy resin, an acrylic resin, or a silicone resin supplied on the contact 21 and the second terminal group 52 by application or the like.
  • the covering member 7 may be an organic film formed using epoxy resin, acrylic resin, or silicone resin, or an inorganic film formed using aluminum or silicon nitride.
  • FIG. 7 Another example of the connector 2 is shown in FIG. 7 in a cross-sectional view corresponding to FIG.
  • the contact 21 extends from the groove 23 to the bottom surface 4 f in the housing portion 22 without being exposed to the outside of the holding member 4. Therefore, a short circuit failure due to contact of an external conductive material with the contact 21 or the like can be prevented.
  • the connection between the second terminal group 52 and the contact 21 is not exposed to the outside of the holding member 4. Therefore, the covering member 7 shown in FIG. 4 is not provided.
  • the exposed portion of the second terminal group 52 is covered by a protective film that can be provided for covering the above-described wiring 51. It may be
  • the connector 2 illustrated in FIG. 7 can be formed, for example, by insert molding or the like.
  • the structure of the connector shown in FIGS. 4 and 7 is merely an example of the connector 2 that the holding member 4 may include, and the structure of the connector 2 is not limited to the structure shown in these drawings.
  • the contact 21 may be disposed along the inner wall facing the first surface 3 f of the display panel 3 in the groove 23.
  • the first terminal group 31 electrically connected to the drive element 39 (see FIG. 1) via the through hole conductor (not shown) is formed on the first surface 3 f of the display panel 3.
  • the contactors 21 may be bifurcated from the bottom surface 4f of the holding member 4 to the groove 23, and may be exposed along the opposing inner walls of the groove 23.
  • FIG. 7 the same components as in FIG. 4 will be assigned the same reference numerals as the reference symbols in FIG. 4, and redundant descriptions will be omitted.
  • an optically functional layer 61 having a predetermined function with respect to the propagation of light is formed.
  • an ultraviolet absorbing layer and an infrared reflecting layer are exemplified.
  • the support member 5 may be a windshield of a car or the like, and in this case, the first surface 3 f of the display panel 3 is illuminated by sunlight transmitted through the support member 5.
  • the optically functional layer 61 may include a multilayer body in which materials having different refractive indexes are alternately stacked.
  • the layers formed of materials having different refractive indices for example, titanium oxide (TiO 2 ) and silicon dioxide (SiO 2 ), or zinc sulfide (ZnS) and magnesium fluoride (MgF 2 ), etc. Is formed in such a thickness that the reflected light in the infrared region in the intensifies each other.
  • the ultraviolet absorbing layer is formed of a resin to which an ultraviolet absorber is added, such as polycarbonate resin or acrylic resin.
  • an ultraviolet absorber include benzophenone derivatives, salicylic acid ester derivatives, triazole derivatives and acrylic derivatives.
  • an optical functional layer 61 a including an infrared reflection layer and / or an ultraviolet absorption layer may be provided on the surface of the support member 5 opposite to the surface 5 a.
  • the optically functional layer 61a can be used continuously even when a defect or the like occurs and the display panel 3 is replaced.
  • the optical functional layer 61 is provided on the display panel 3 if the functional deterioration of the optical functional layer 61 progresses with the temporal deterioration of the display panel 3, the optical functional layer is replaced by replacing the display panel 3. 61 can also be replaced.
  • Optical functional layers 61 and 61a may be provided on the display panel 3 and the support member 5, respectively.
  • a protective film 62 against mechanical stress is further formed on the surface of the pixel formation region 3 c of the display panel 3.
  • the surface of the pixel formation region 3c is exposed toward the viewer or the like of the display device 1, and therefore, is susceptible to mechanical stress due to a foreign object collision or a wiping operation at the time of contamination.
  • the protective film 62 protects the pixels in the display panel 3, particularly the pixel formation region 3c, from such mechanical stress.
  • the protective film 62 include an inorganic film such as a SiO 2 film or a fluorine film, and an organic resin film formed of polyester or polyethylene terephthalate (PET).
  • the display device 1 is provided with an identification 3 d for ensuring connection of the display panel 3 to the connector 2 (see FIG. 3).
  • the display panel 3 is inserted into the inside of the holding member 4 from the discontinuous portion of the U-shaped holding member 4 and connected to the connector 2. Whether the connection has been properly performed can be confirmed using the identifier 3d.
  • FIG. 8 an enlarged view of the periphery of the identification body 3d is shown together with two probes P used for confirming the appropriateness of the connection between the connector 2 and the display panel 3.
  • the display panel 3 has an identification 3 d exposed at the edge where the holding member 4 is provided.
  • the identification body 3d is a portion having a predetermined area whose appearance characteristics or electrical characteristics are different from the periphery of the identification body 3d.
  • the identification body 3d is a conductive pad provided in a region having insulation on the second surface 3s (see FIG. 2) of the display panel 3.
  • the identification body 3d may be a marking provided on the second surface 3s of the display panel 3 and having different colors from the surroundings.
  • the shape of the identification body 3d is not limited to the circle shown in FIG. In the example of FIG. 8, the identification body 3d is constituted by two conductive pads, and the two conductive pads are electrically connected to each other by the conductor pattern 3b provided on the display panel 3 similarly to the identification body 3d. ing.
  • the holding member 4 has the recess 4 d.
  • the edge of the display panel 3 on which the identifier 3d is provided is inserted into the recess 4d.
  • the holding member 4 further has an opening 4e communicating with the inside of the recess 4d.
  • the opening 4 e is provided at a position corresponding to the identifier 3 d of the display panel 3. That is, the holding member 4 has an opening 4 e at a position where the identification body 3 d is exposed when the edge of the display panel 3 is properly connected to the connector 2.
  • two identifiers 3d and two corresponding openings 4e are provided.
  • two probes P are inserted into opening 4e so as to abut display panel 3, and two probes P The continuity between is tested.
  • the two probes P are electrically connected to each other by the contact of the two probes P with the conductive identification body 3d, thus confirming the appropriateness of the connection. can do.
  • the identifier 3d is different from the surrounding portion and the appearance feature such as color, it is possible to check if the appearance feature of the identifier 3d is exposed inside the opening 4e. Appropriateness can be confirmed.
  • the identification body 3d and the opening 4e are easy to detect an inappropriate state even when the display panel 3 is inserted at an angle to the normal connecting direction to the connector 2, as in the example of FIG.
  • at least two are provided.
  • the identifier 3d and the opening 4e may be only one. For example, even if only one conductive pad is provided as the identifier 3d, it is considered possible to determine most of the correctness regarding connection if the area for contacting at least two probes P is secured.
  • the wiring 51 and the second terminal group 52 are formed directly on the surface 5 a of the support member 5.
  • the support member 5 may be constituted by a very large member with respect to the display panel 3 such as a window glass of a car, in which case the wiring 51 to such a large support member 5 It may not be easy to form etc. Therefore, the wiring 51 and the second terminal group 52 may be formed on the base 50 separate from the support member 5 as shown in FIG. 9, and the base 50 may be adhered to the surface 5 a of the support member 5. By doing so, the wiring 51 and the like may be formed more easily than forming the support member 5 in some cases.
  • the wiring 51 and the second terminal group 52 are formed, for example, by patterning a metal foil made of copper or the like laminated on the substrate 50 by etching or the like.
  • the wiring 51 and the like may be formed by performing electroless plating, sputtering, vapor deposition, or the like after appropriately masking the base material 50.
  • the substrate 50 is a plate-like body or a film-like body formed of any insulating material, and may be, for example, a substrate mainly formed of an epoxy resin, a polyimide film, or the like.
  • the substrate 50 is preferably a transparent polyimide film so as to maintain the light transmission.
  • the substrate 50 is adhered to the support member 5 using, for example, an adhesive.
  • any adhesive may be used as this adhesive, when the support member 5 and the base material 50 have translucency, OCA etc. which were mentioned above are preferable as this adhesive.
  • the display panel 3 has the pixel formation region 3c on the surface (second surface 3s) directed to the viewer of the display device 1. That is, when the display panel 3 is an organic EL display device, the display panel 3 exemplified in these drawings is a top emission type organic EL display panel. However, the display panel 3 may be a bottom emission type organic EL display panel, and an example thereof is shown in FIG. 10 in a bottom view similar to FIG.
  • the display panel 3 has a pixel formation region 3c on the surface (first surface 3f) directed to the support member 5.
  • the optical functional layer 61 is formed on the first surface 3 f (specifically, the surface of the pixel formation region 3 c), and the optical functional layer 61 shown in FIG. 10 is described above with reference to FIG.
  • the pixel formation region 3 c faces the support member 5. Therefore, when the support member 5 is a windshield of an automobile or the like, the organic element (not shown) in the pixel formation region 3c differs from the example of FIG.
  • the optically functional layer 61 on the first surface 3 f of the display panel 3 in the example of FIG. 10 is particularly useful.
  • the optical functional layer 61 a may be formed on the support member 5 instead of the special functional layer 61.
  • a protective film against mechanical stress may be formed on the second surface 3s of the display panel 3.
  • the display panel 3 has a step caused by the pixel formation region 3c on the surface (first surface 3f) to be directed to the support member 5.
  • the auxiliary member 9 having a thickness corresponding to the height of the step is provided around the pixel formation region 3 c between the support member 5 and the display panel 3.
  • the display panel 3 is stably held on the surface 5 a of the support member 5 by the auxiliary member 9. Further, the second surface 3 s from which light is emitted from the display panel 3 is positioned substantially parallel to the surface 5 a of the support member 5.
  • the auxiliary members 9 may be provided continuously all around the periphery of the pixel formation region 3c, or may be provided discontinuously in a strip shape along each side of the pixel formation region 3c having a rectangular front shape. Good. Alternatively, any number of auxiliary members 9 having a columnar shape may be regularly or randomly scattered around the pixel formation region 3c.
  • the thickness of the auxiliary member 9 may be a thickness substantially corresponding to the height of the step due to the pixel formation region 3c, or may be thicker than the thickness corresponding to the step.
  • the auxiliary member 9 may be formed of any material, but preferably, the auxiliary member 9 is formed of the same material as the material forming the holding member 4 and a material having at least about the same coefficient of thermal expansion. By doing so, it is possible to reduce the stress that can be applied to the display panel 3 when the ambient temperature changes.
  • the display element constituting the display panel 3, particularly the organic element forming the light emitting layer in the organic EL display panel, is likely to deteriorate by contact with moisture.
  • the display device 1 may further be provided with means for preventing the entry of moisture into the space.
  • the gap between the display panel 3 and the holding member 4 may be covered with a solidified resin, an organic film or an inorganic film similar to the covering member 7 described above.
  • the gap between the edge (the lower edge in FIG. 1) which is not engaged with the holding member 4 in the display panel 3 and the support member 5 is similarly made by solidified resin, organic film or inorganic film It may be covered.
  • the display panel 3 can be removed from the support member 5 as needed by a method such as dissolution.
  • the display panel 3 can be easily removed from the support member 5 as compared to the case where the display panel 3 is entirely adhered to the support member 5 at least.
  • the space between the display panel 3 and the support member 5 is substantially sealed by covering the gap between the display panel 3 and the holding member 4 and the support member 5.
  • moisture is also contained in the air existing between the display panel 3 and the support member 5 before the sealing.
  • a through hole communicating with the space between the display panel 3 and the support member 5 from the outside of the display device 1 is provided in the holding member 4
  • a closing member may be provided to close the through hole.
  • the closure member examples include a rubber plug formed of natural rubber, synthetic rubber such as butadiene rubber, or various rubbers such as silicone rubber, and provided with an air passage that is normally closed by press-fitting into a through hole. Ru.
  • the closing member may be a check valve disposed inside the through hole and closing the through hole by abutting on a step portion provided on the inner wall of the through hole.
  • FIG. 11 shows an example in which the support member 5 is a windshield of a car in the present embodiment. That is, the display panel 3 is held by the holding member 4 on the surface of the front glass which is the support member 5 facing the compartment.
  • the display panel 3 displays an image by the navigation system.
  • the display panel 3 can be held at an arbitrary position of the windshield which is the support member 5.
  • the display panel 3 having a width corresponding to the entire width of the windshield may be held over the entire width direction in the vicinity of the upper edge or the lower edge of the windshield.
  • the projected image of the windshield on a plane perpendicular to the longitudinal direction of the vehicle is preferably held within the upper 20%, and in the vicinity of the lower edge, the lower edge It is preferable to be held within the range of 150 mm or less. By doing so, sufficient visibility ahead can be secured, which can contribute to safe operation.
  • the wiring 51 formed on the windshield extends toward the upper edge of the windshield without passing through the bend.
  • a driver D for generating a drive signal is disposed between the interior at the ceiling of the cabin and the roof of the car, and the wiring 51 is connected to the conductive wire W connected to the driver D at the upper edge of the windshield. It is connected.
  • the wiring 51 connecting the display panel 3 and the driver D is disposed along the surface of the windshield without oscillation by the vibration of the car. be able to. It is thought that it can give a clear impression to the people in the cabin.
  • FIG. 12 shows an example of the cross-sectional structure of a top emission type organic EL display panel used as the display panel 3 in the present embodiment.
  • the display panel 3 includes a substrate 3e and a plurality of display elements 30 formed on the substrate 3e.
  • the substrate 3e is, for example, a resin film formed using a polyimide resin, preferably a transparent polyimide resin, or a glass plate.
  • Each display element 30 is formed of the thin film transistor (TFT) functioning as the drive element 39 described above, the first electrode 33 connected to the TFT, and the organic material deposited on the first electrode 33 to emit light.
  • An organic layer 34 and a second electrode 35 formed on the organic layer 34 are provided.
  • Each display element 30 is separated by a bank 36 formed using SiO 2 or the like.
  • the first electrode 33 and the bank 36 are formed on the planarization film 32 covering the TFT.
  • the TFT, the first and second electrodes 33, 35, the organic layer 34, the bank 36 and the planarizing film 32 may have general structures and materials for these, so the detailed description thereof is omitted.
  • the display panel 3 includes the first barrier film 37 between the display element 30 and the substrate 3 e, and the second barrier film 38 on the display element 30.
  • the first barrier film 37 and the second barrier film 38 are formed using a moisture impermeable material, and the water vapor transmission rate is, for example, 1 ⁇ 10 ⁇ 4 g / m 2 / day or less.
  • the first barrier film 37 is a multilayer film including two silicon nitride films 37a and a silicon oxide film 37b sandwiched between the two silicon nitride films 37a.
  • the second barrier film 38 has a five-layer structure including two silicon nitride films 38a, two silicon oxide films 38b, and an organic film 38c.
  • the organic film 38c is formed using, for example, an epoxy resin or the like.
  • the silicon oxide film 38 b and the organic film 38 c may not necessarily be formed, and instead of the silicon nitride film 38 a, a silicon oxynitride film having a high deposition rate may be provided.
  • Each of the first and second barrier films 37 and 38 may be a single layer film, or may be a multilayer film having a number of layers other than the number of layers in the example shown in FIG. You may form using materials other than a silicon oxide.
  • the display panel 3 may be a liquid crystal display panel as described above.
  • the liquid crystal display panel used as the display panel 3 in the display device 1 may have a general liquid crystal display panel structure and materials including a pixel electrode and a counter electrode, an alignment film, a polarizing plate, a liquid crystal layer, etc. Detailed explanation is omitted.
  • FIG. 13 shows an outline of a method of manufacturing a display device according to the present embodiment, taking the display device 1 shown in FIGS. 1 to 4 referred to in the above description as an example.
  • the pixel 3 see FIG. 1
  • the plurality of drive elements 39 see FIG.
  • the second terminal group 52 connected to the plurality of wires 51 and the plurality of wires 51 is formed on the surface 5a of the support member 5 which forms the display panel 3 including the group 31 and has the surface 5a on which the display panel 3 is to be mounted. Includes forming.
  • the method of manufacturing the display device according to the present embodiment further corresponds to the arrangement of the terminals constituting the first terminal group 31 in the rod-like member 40 having a linear shape or a curved shape (a curved shape in the example of FIG. 13).
  • the connector 2 is formed on a part of the bar 40 by arranging a plurality of contacts 21, and the display panel 3 is adhered to the surface 5 a by bonding the bar 40 to the surface 5 a of the support member 5. Including providing the holding member 4 to hold
  • each terminal of the second terminal group 52 is further connected to each of the plurality of contacts 21, and at least a part of the edge of the display panel 3 is connected to the connector 2.
  • the connection includes connecting each of the terminals constituting the first terminal group 31 to each of the plurality of contacts 21 and placing the display panel 3 on the surface 5 a of the support member 5.
  • the formation of the display panel 3 will be described with reference to FIGS. 12 and 13.
  • an organic EL display panel a liquid crystal display panel or the like is formed.
  • a substrate 3e made of a polyimide film or a glass plate is prepared, and a first terminal group 31 including a plurality of connection terminals at the edge of the substrate 3e. Is formed.
  • the first terminal group 31 is formed on either of the surface (first surface 3f) of the display panel 3 to be directed to the support member 5 and the opposite surface (second surface 3s) of the first surface 3f. It is also good.
  • the substrate 3e is penetrated and the first terminal group 31 and the drive element 39 are formed.
  • the first terminal group 31 is formed by, for example, forming a mask layer having an appropriate opening on the first surface 3 f or the second surface 3 s, and then using a material such as copper or nickel to perform sputtering, vapor deposition or plating. And so on.
  • a gold covering layer is further formed on the surface of the first terminal group 31 by plating or the like.
  • an organic EL display element (display element 30) including a plurality of TFTs functioning as the drive element 39, an organic layer 34 and the like is formed.
  • the TFT is formed such that at least its gate terminal is electrically connected to any one of the terminals constituting the first terminal group 31.
  • the organic layer 34 is formed on the first electrode 33 surrounded by the bank 36. Further, by forming the second electrode 35 on the organic layer 34, a plurality of pixels 3a are formed.
  • the first barrier film 37 in the example of FIG. 12, the silicon oxide film 37b and the silicon oxide A silicon nitride film 37a is formed between the substrate 3e and the display element 30, the first barrier film 37 (in the example of FIG. 12, the silicon oxide film 37b and the silicon oxide A silicon nitride film 37a) is formed.
  • the silicon nitride film 37a and the silicon oxide film 37b are formed by, for example, a plasma enhanced chemical vapor deposition (PECVD) method or a sputtering method.
  • a second barrier film 38 is formed on the display element 30 using a moisture impermeable material.
  • the silicon nitride film 38a, the silicon oxide film 38b, and the organic film 38c are sequentially formed on the display element 30, and the silicon oxide film 38b and the silicon nitride film 38a are formed again.
  • the silicon nitride film 38a and the silicon oxide film 38b are formed by, for example, a PECVD method or a sputtering method.
  • the organic film 38c is formed, for example, by printing an acrylic resin or an epoxy resin using an inkjet printer.
  • the TFT constituting the drive element 39, the first and second electrodes 33 and 35, and the organic layer 34 can be formed by any method including a known method, and thus the detailed description thereof is omitted. Also, when a liquid crystal display panel is formed as the display panel 3, each electrode, alignment film, polarizing plate and liquid crystal layer constituting the liquid crystal display element can be formed by any method including a known method. Therefore, the detailed description is omitted.
  • the identifier 3 d described above is exposed to the edge of the display panel 3 on the surface (second surface 3 s) opposite to the surface of the display panel 3 facing the support member 5.
  • the identifiers 3d be provided at at least two or more places.
  • the identification body 3d is formed by making the appearance characteristic or the electrical characteristic different from that of the surrounding portion.
  • a conductive pad may be formed as the identifier 3 d on the second surface 3 s of the insulating display panel 3.
  • at least two conductive pads electrically connected to each other by the conductor pattern 3b may be formed as the identifier 3d.
  • the identification body 3d may be provided by making the color of the portion where the identification body 3d is provided different from the surroundings by applying an ink of any color.
  • the formation of the display panel 3 may be performed on a dummy plate (not shown) made of a glass plate or the like, and the display panel 3 may be separated from the dummy plate after completion thereof. Then, a reinforcing film (not shown) made of a copper foil or a PET film may be attached to the surface of the display panel 3 which has been peeled off from the dummy plate. In that case, prior to the application of the reinforcing film, preferably, the optically functional layer 61 in FIG. 2 referred to above is formed.
  • the optically functional layer 61 for example, an optically functional film having an infrared reflection function or an ultraviolet absorption function is prepared, and even if this film is adhered to the display panel 3 using an optical transparent adhesive such as OCA described above. Good.
  • the optical functional layer 61 may be formed directly on the display panel 3.
  • a sputtering method, a vacuum evaporation method, or a PECVD method is used.
  • the optically functional layer 61 is formed by depositing the aforementioned multilayer film containing magnesium fluoride or the like using any of these methods.
  • the optically functional layer 61 shown in the example of FIG. 10 referred to above is a sputtering method, a vacuum evaporation method, or any process before the display panel 3 is placed on the surface 5 a of the support member 5. It can be formed using a PECVD method or the like.
  • the protective film 62 shown in the example of FIG. 2 is preferably formed before the display panel 3 is placed on the support member 5 at any time after the formation of the display element 30.
  • the formation of the protective film 62 is performed, for example, by coating of a fluorocarbon resin or formation of a film containing SiO 2 by PECVD, coating, sputtering or the like.
  • the protective film 62 may be formed by sticking a separately formed film.
  • the support member 5 having the surface 5a on which the display panel 3 is to be mounted is prepared, and the wiring 51 and the second terminal group 52 are formed on the surface 5a.
  • Any material such as glass, metal and synthetic resin may be used for the support member 5.
  • the support member 5 may be prepared by processing these materials by any method, and an existing article may be prepared as the support member 5.
  • a glass plate used for a housing of various devices, a window of a house or a display case, a windshield of an automobile, or the like may be prepared as the support member 5.
  • Wiring 51 and second terminal group 52 are formed, for example, by screen printing using a conductive paste containing silver or the like, followed by baking and drying for approximately 5 to 15 minutes in an atmosphere of approximately 100 ° C. to 200 ° C., or It is formed by sputtering or vapor deposition using copper, titanium, aluminum, ITO or IZO.
  • the wiring 51 and the base layer of the second terminal group 52 are simultaneously and integrally formed, and a gold coating layer by plating is formed on (the surface of) the base layer of the second terminal group 52. It is formed.
  • the wiring 51 is formed on the separate base material 50 shown in FIG. 9 referred to earlier by etching or electroless plating of metal foil, and the base material 50 is preferably used as the supporting member 5 using OCA or the like. It may be glued.
  • the optically functional layer 61 a shown by a two-dot chain line in FIG. 2 referred to earlier may be formed in preparation of the support member 5 and formed after the formation of the wiring 51 etc. It may be formed after placement of the display panel 3 on the support member 5.
  • the optically functional layer 61a can be formed, for example, by the same method as the method of forming the optically functional layer 61 described above.
  • a rod-like member 40 having a linear or bent shape is prepared by molding, pressing, cutting or the like using a suitably manufactured mold using a material such as a synthetic resin or a natural resin. Be done.
  • the rod-like member 40 is preferably provided with a recess 4 d, the groove 23 (see FIG. 4) described above, and a plurality of insertion holes (not shown) into which the contact 21 is press-fit.
  • the plurality of insertion holes are disposed at positions corresponding to the terminals of the first terminal group 31 and further at positions corresponding to the terminals of the second terminal group 52.
  • a plurality of contacts having a plate-like shape are formed by punching and bending a copper plate, a copper alloy plate, a stainless steel plate or the like using a suitable mold.
  • the child 21 is prepared.
  • a plurality of contacts 21 are press-fitted into a plurality of insertion holes provided in rod-like member 40, thereby including a plurality of contacts 21 and a housing portion 22 for holding a plurality of contacts 21.
  • the connector 2 having the groove 23 is formed.
  • the connector 2 may be formed by methods other than press-fitting of the contact 21 like insert molding etc. which are performed by arrange
  • the holding member 4 is provided by bonding the rod-like member 40 to the surface 5 a of the support member 5.
  • the holding member 4 includes the connector 2 on one side in a frame-like planar shape as a whole, and has a U-like shape having a discontinuous portion on the opposite side of one side including the connector 2 doing.
  • the U-shaped holding member 4 is disposed at a position surrounding the appropriate mounting position of the display panel 3.
  • the rod-like members 40 are arranged such that each of the plurality of contacts 21 exposed to the bottom surface 4 f and each terminal of the second terminal group 52 in the support member 5 face each other.
  • one or preferably two or more projections or depressions are provided on the surface of rod member 40 directed to support member 5, corresponding to the projections or depressions on surface 5 a of support member 5. Recesses or protrusions may be formed in the position. Then, positioning of the holding member 4 may be performed by connecting the pair, preferably two or more pairs of projections and recesses. The holding member 4 is adhered to the surface 5 a of the support member 5 using an adhesive 81 in FIG. 13. If necessary, heat treatment is performed to cure the adhesive 81. The adhesive 81 may be applied to either or both of the bonding surface and the surface 5 a of the holding member 4, and as shown in FIG. 13, the holding member 4 is molded into a frame-like sheet form. And the support member 5.
  • Each terminal which comprises the 2nd terminal group 52 of the supporting member 5 and each of the several contactor 21 are connected.
  • An example of the connection process of each terminal which comprises the 2nd terminal group 52, and each of the several contactor 21 is shown by FIG. 14 using ACF.
  • This connection is not limited to the method using ACF as shown in FIG.
  • the method using ACF is preferable in that the contacts 21 arranged at a narrow pitch can be appropriately connected to the terminals of the opposing second terminal group 52 while suppressing short circuit failure.
  • an ACF is disposed between the plurality of contacts 21 and the second terminal group 52 as connection means 82 for the both.
  • the plurality of contacts 21 and the second terminal group 52 are pressed and heated toward each other with the ACF interposed therebetween. For example, pressurization and heating are performed at a pressure of about 2 MPa to 4 MPa and a temperature of about 170 ° C. to 200 ° C. for about 5 seconds to 15 seconds.
  • the entire housing portion 22 or the holding member 4 of the connector 2 is pressed by the heater block H toward the supporting member 5 placed on a stage (not shown).
  • the heater block H preferably has a width Wh longer than the total length in the arrangement direction of each of the plurality of contacts 21 and the second terminal group 52.
  • thermosetting resin portion 82a is softened by being heated once, and enters between the adjacent contacts 21 and between the respective terminals of the second terminal group 52 in the arrangement direction of the plurality of contacts 21 and then is cured.
  • the electrical connection between the opposing contacts 21 and the terminals of the second terminal group 52 is maintained, and the insulation in the arrangement direction of the contacts 21 is secured.
  • a pressure roller (not shown) with a heater is used in place of the heater block H, and each of the plurality of contacts 21 and each of the terminals constituting the second terminal group 52 is of the plurality of contacts 21. Pressure and heat may be sequentially applied in the arrangement direction.
  • the display panel 3 faces the connector 2 at the edge where the first terminal group 31 is formed, from the discontinuous portion of the U-shaped holding member 4 to the inside of the holding member 4. It is inserted into. Specifically, the edge of the display panel 3 is inserted into the recess 4 d of the holding member 4, and the display panel 3 is moved toward the connector 2 along the recess 4 d. As shown in FIG. 13, when the identification body 3 d is provided on the display panel 3, the edge portion of the display panel 3 having the identification body 3 d is inserted into the recess 4 d.
  • the three sides of the rectangular display panel 3 abut and engage with the wall surface of the holding member 4 facing the inner side of the U-shape, and finally, the first terminal group 31 in the display panel 3 Are connected to the connector 2.
  • each terminal which comprises the 1st terminal group 31 and each of the some contactor 21 are connected.
  • the display panel 3 is placed on the surface 5 a of the support member 5 at the position at the completion of the connection.
  • the identification body 3 d is used to confirm the appropriateness of the connection between the display panel 3 and the connector 2. As a result, it is possible to prevent the outflow of inadequate defective products of connection.
  • the opening 4 e is formed at a position that exposes the identifier 3 d when the edge of the display panel 3 is properly connected to the connector 2. Therefore, it is possible to confirm the appropriateness of the connection between the display panel 3 and the connector 2 by using the identification body 3d to be exposed in the opening 4e when the connection is appropriate. For example, as in the example of FIG. 13, when at least two conductor patterns electrically connected are formed as the identification body 3d, as shown in FIG.
  • the identification body through the opening 4e
  • the probe P is brought into contact with each 3d. Then, by testing the conductivity between the two probes P, it is possible to electrically confirm the appropriateness of the connection.
  • a visual or automatic optical inspection device (AOI) or the like is used through the opening 4e. The identifier 3d may be observed to visually confirm the appropriateness of connection. With such a configuration, the appropriateness of the linkage can be confirmed extremely easily.
  • the display panel 3 is inserted inside the U-shaped shape of the holding member 4 bonded on the surface 5 a of the support member 5.
  • the display panel 3 may be inserted into the holding member 4 (the bar 40) before being bonded to the support member 5 and connected to the connector 2 before being bonded to the support member 5. Then, the display panel 3 may be placed on the support member 5 together with the rod-like member 40.
  • a resin is supplied to the connection portion between the plurality of contacts 21 and the second terminal group 52, or an organic film or It may further include covering this connection portion with the covering member 7 by covering the inorganic film.
  • FIG. 13 shows a film-like member 71 that can be the covering member 7 shown in FIG. Examples of the film-like member 71 include an organic film formed by using an epoxy resin, an acrylic resin, or a silicone resin, and an inorganic film formed by vapor deposition of aluminum or sputtering of silicon nitride.
  • the film-like member 71 configured of the organic film or the inorganic film is disposed so as to cover the connection portion between the contact 21 and the second terminal group 52, and is heated to thereby contact the contact 21 and the second terminal group Close contact with the connection with 52.
  • the connection portion between the plurality of contacts 21 and the second terminal group 52 is covered by the covering member 7.
  • the covering member 7 supplies epoxy resin or silicone resin or the like in a non-solidified state to the connection portion between the plurality of contacts 21 and the second terminal group 52 using a dispenser or the like, and heats or ultraviolet light for these resins. It may be provided by solidifying.
  • the gap between the display panel 3 and the holding member 4 and / or the edge and support of the display panel 3 not engaged with the holding member 4 may include covering the gap with the member 5 with a silicone resin or the like.
  • the holding member 4 is provided with a through hole (not shown), and the air in the space between the display panel 3 and the support member 5 is Suctioning out of the holding member 4 may be included.
  • a display device includes a plurality of driving elements for driving pixels, and at least a part of an edge portion of a first terminal group electrically connected to the plurality of driving elements.
  • a support member having a display panel, a surface on which the display panel is to be placed, and a plurality of wires and a second terminal group connected to the plurality of wires on the surface, and a linear or bent shape
  • a holding member provided along the edge of the display panel using the bar-shaped material, wherein the holding member is provided with a plurality of contacts arranged to face the respective terminals constituting the first terminal group.
  • a connector including a connector adhered to the surface to hold the display panel at a predetermined position on the surface of the support member, each of the plurality of contacts constituting the second terminal group Contact each terminal And at least a part of the edge portion of the display panel is connected to the connector, and each of the terminals constituting the first terminal group is connected to the support member via each of the plurality of contacts. It is electrically connected to each of the plurality of wires.
  • the display panel or the support member can be easily reused in the display device or another display device, and the signal transmission means for the display panel can be used without impairing the appearance of the display device. It can be equipped.
  • the support member may be formed of a window glass of a vehicle. In that case, it is possible to provide a display device provided with a wiring that is less likely to shake against vehicle vibrations and thus less likely to be annoying.
  • the support member is constituted by a windshield of a car, and the plurality of wirings are the upper portion 20 in a projected image of the windshield on a plane perpendicular to the longitudinal direction of the car. It may be provided in an area which is within%. In that case, sufficient visibility in front of driving can be secured, which can contribute to safe operation.
  • the windshield may be exposed between the plurality of wirings. In that case, even if the plurality of wirings are formed of a light shielding material, the front situation can be visually recognized through the space.
  • the holding member includes a bottom surface directed to the surface of the support member, a side surface directed to the display panel, and the connector. It has a groove formed in the side surface, and the plurality of contacts are exposed in the inside of the groove and the bottom surface of the holding member, and at least a part of the edge of the display panel is inserted into the groove
  • Each terminal constituting the first terminal group is connected to each of the plurality of contacts inside the groove, and each terminal constituting the second terminal group is connected to the bottom surface of the holding member It may be connected to each of a plurality of contacts. In that case, each terminal of the first terminal group can be electrically connected to the wiring on the support member only by engaging the display panel with the holding member.
  • each of the plurality of contacts is formed using a plate-like material, and the plurality of contacts are arranged on one inner wall inside the groove, It may be curved toward the opposite inner wall. In that case, each terminal of the first terminal group and the contact are brought into contact with a sufficient contact pressure, and the contact state is maintained.
  • the display panel is exposed at an edge where the holding member is provided, and an identifier having an appearance characteristic or an electric characteristic different from that of the surroundings
  • the holding member has a recess in the edge where the identifier is provided in the display panel, and the inside of the recess is in communication with the edge of the display panel that is suitable for the connector. May have an opening that exposes the identifier when connected to the By doing so, the appropriateness of the connection between the display panel and the connector can be confirmed.
  • the identifier may be constituted by at least two conductive pads, and the at least two conductive pads may be electrically connected to each other. In that case, the appropriateness of the connection between the display panel and the connector can be easily electrically confirmed.
  • the wiring and the second terminal group are formed on a base different from the support, and the base is the support It may be adhered to the surface of In that case, the wiring and the second terminal group can be formed more easily than in the case of forming the support member.
  • connection portion between the plurality of contacts and the second terminal group is covered with a solidified product of resin or an organic film or an inorganic film. May be In that case, a short circuit failure due to contact or condensation of an external conductive material is prevented.
  • one or both of an ultraviolet absorbing layer and an infrared reflecting layer are formed on the surface of the display panel to be directed to the support member. It is also good. In that case, deterioration of the display panel due to heat and / or ultraviolet light is suppressed.
  • the display panel has a step caused by a pixel formation region on the surface to be directed to the support member, An auxiliary member having a different thickness may be provided around the pixel formation region between the support member and the display panel. In that case, the display panel is stably held on the support member.
  • a display panel manufacturing method includes a pixel, a plurality of driving elements for driving the pixels, and a first terminal group electrically connected to the plurality of driving elements. And forming a plurality of wires and a second terminal group connected to the plurality of wires on the surface of the support member having the surface on which the display panel is to be mounted, and having a linear or bent shape
  • a connector is formed in a part of the rod-like member by arranging a plurality of contacts on the rod-like member in an arrangement corresponding to the arrangement of the terminals constituting the first terminal group, and the rod-like member is used as the support member
  • a holding member for holding the display panel on the surface by bonding to the surface, and connecting each of the terminals constituting the second terminal group to each of the plurality of contacts; At the edge Alternatively, each terminal constituting the first terminal group is connected to each of the plurality of contacts by connecting a part to the connector, and the display panel is mounted on the surface of the support member.
  • connection portion is provided by supplying a resin to the connection portion between the plurality of contacts and the second terminal group, or by covering an organic film or an inorganic film. It may further include covering the By doing so, a short circuit failure due to contact or condensation of an external conductive material can be prevented.
  • an identifier having an appearance characteristic or an electrical property different from that of the surrounding is exposed to the edge of the display panel.
  • a recess into which the edge having the identifier in the display panel is inserted, and the identifier communicating with the inside of the recess when the edge of the display panel is properly connected to the connector may further include forming an opening to be exposed in the rod-like material, and using the identifier to be exposed inside the opening to confirm the appropriateness of the connection between the edge of the display panel and the connector. Good. By doing so, it is possible to prevent the outflow of inadequate defective products of the connection between the display panel and the connector.
  • the identifier is provided by making the color of the portion where the identifier is provided different from the surrounding, observing the identifier through the opening, and determining the appropriateness You may check visually. By doing so, it is possible to check the appropriateness of the connection between the display panel and the connector extremely easily.

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Abstract

L'invention concerne un dispositif d'affichage pourvu : d'un panneau d'affichage comprenant une pluralité d'éléments d'excitation, permettant d'exciter des pixels et comprenant, au niveau d'au moins une partie du bord du panneau d'affichage, un premier groupe de bornes, connecté électriquement aux éléments d'excitation ; d'un élément de support, présentant une surface sur laquelle doit être placé le panneau d'affichage et comprenant, sur la surface, une pluralité de fils et un second groupe de bornes, connecté à la pluralité de fils ; et d'un élément de maintien, disposé le long du bord du panneau d'affichage à l'aide d'un matériau de type tige présentant une forme linéaire ou courbée, l'élément de maintien comprenant un connecteur qui est doté d'une pluralité d'éléments de contact, agencés de façon à faire face à des bornes respectives constituant le premier groupe de bornes, l'élément de maintien étant fixé à la surface de l'élément de support afin de maintenir le panneau d'affichage à une position prédéfinie sur la surface, la pluralité d'éléments de contact étant connectée à des bornes respectives constituant le second groupe de bornes, au moins une partie du bord du panneau d'affichage étant jointe au connecteur et les bornes constituant le premier groupe de bornes étant électriquement connectées aux fils respectifs de l'élément de support par l'intermédiaire des éléments de contact respectifs.
PCT/JP2017/046189 2017-12-22 2017-12-22 Dispositif d'affichage et procédé de production de dispositif d'affichage Ceased WO2019123647A1 (fr)

Priority Applications (5)

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CN201780097644.9A CN111465974B (zh) 2017-12-22 2017-12-22 显示装置以及显示装置的制造方法
JP2018527987A JP6387214B1 (ja) 2017-12-22 2017-12-22 表示装置および表示装置の製造方法
US16/079,725 US10698274B2 (en) 2017-12-22 2017-12-22 Display apparatus and method for manufacturing display apparatus
PCT/JP2017/046189 WO2019123647A1 (fr) 2017-12-22 2017-12-22 Dispositif d'affichage et procédé de production de dispositif d'affichage
US16/881,630 US10976617B2 (en) 2017-12-22 2020-05-22 Display apparatus and method for manufacturing display apparatus

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PCT/JP2017/046189 WO2019123647A1 (fr) 2017-12-22 2017-12-22 Dispositif d'affichage et procédé de production de dispositif d'affichage

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US16/881,630 Continuation US10976617B2 (en) 2017-12-22 2020-05-22 Display apparatus and method for manufacturing display apparatus

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